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| /openbmc/linux/drivers/net/ethernet/intel/i40e/ |
| H A D | i40e_txrx.h | diff 0a797db323a6f74da3f43d5460792989da6617f4 Fri Jan 26 10:54:45 CST 2018 Alexander Duyck <alexander.h.duyck@intel.com> i40e/i40evf: Update DESC_NEEDED value to reflect larger value
When compared to ixgbe and other previous Intel drivers the i40e and i40evf
drivers actually reserve 2 additional descriptors in maybe_stop_tx for
cache line alignment. We need to update DESC_NEEDED to reflect this as
otherwise we are more likely to return TX_BUSY which will cause issues with
things like xmit_more.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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